CVE-2019-11702

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-23 · updated 2026-06-17
Weakness: CWE-862

Description

A hyperlink using protocols associated with Internet Explorer, such as IE.HTTP:, can be used to open local files at a known location with Internet Explorer if a user approves execution when prompted. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 67.0.2.

Affected products

Mozilla Firefox: before 67.0.2 — fixed in 67.0.2

How to fix

Upgrade to a fixed version: Mozilla Firefox 67.0.2. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1552627
https://www.mozilla.org/security/advisories/mfsa2019-16/
https://bugzilla.mozilla.org/show_bug.cgi?id=1552627
https://www.mozilla.org/security/advisories/mfsa2019-16/

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